- 320-327 Inflammatory Diseases Of The Central Nervous System
- 330-338 Hereditary And Degenerative Diseases Of The Central Nervous System
- 340-349 Other Disorders Of The Central Nervous System
- 350-359 Disorders Of The Peripheral Nervous System
- 360-379 Disorders Of The Eye And Adnexa
- 380-389 Diseases Of The Ear And Mastoid Process